Patents for H03K 17 - Electronic switching or gating, i.e. not by contact-making and -breaking (53,158) |
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07/08/1997 | US5646520 Methods and apparatus for sensing currents |
07/08/1997 | US5646514 AC/DC converter using a non-latch type switching device |
07/03/1997 | WO1997023989A1 An automatic subscriber callback system |
07/03/1997 | WO1997023987A1 A telephone equipment protection circuit |
07/03/1997 | WO1997023985A1 Modem loop current detect system to detect an off-hook condition in an extension telephone |
07/03/1997 | WO1997023984A1 A telephone switch hook interface circuit |
07/03/1997 | WO1997023955A1 Voltage controlled crystal oscillator and loop filter |
07/03/1997 | WO1997023954A1 Electrical isolation between ir receiver and further electronic circuits |
07/03/1997 | WO1997023840A1 Fault detection and modification circuit |
07/03/1997 | WO1997023820A1 A reset circuit for ensuring proper reset when used with decaying power supplies |
07/03/1997 | DE19654295A1 Noise suppression control circuit especially for shot noise |
07/03/1997 | DE19635261A1 Integrated soft=start pulse width modulation power supply circuit |
07/02/1997 | EP0782310A2 Terminal device, E.G. pocket telephone |
07/02/1997 | EP0782307A2 Display device for a portable telephone |
07/02/1997 | EP0782268A2 Supply voltages switch circuit |
07/02/1997 | EP0782267A2 Semiconductor switch |
07/02/1997 | EP0782266A1 Pulse power converter suitable for generating high current pulses of short duration |
07/02/1997 | EP0782265A1 Method and device for protecting an adjustable impedance element controlling the supply of an electric motor, particularly of a motor vehicle |
07/02/1997 | EP0782251A1 Detector with automatic bias control of a PIN photodiode |
07/02/1997 | EP0782235A1 Protection method for power transistors, and corresponding circuit |
07/02/1997 | EP0781980A1 Pulse generator |
07/01/1997 | US5644259 Reset circuit and integrated circuit including the same |
07/01/1997 | US5644252 Driver for interfacing integrated circuits to transmission lines |
07/01/1997 | US5644175 For coupling a source to a load through a junction |
07/01/1997 | CA2116394C Gate power supply circuit |
06/26/1997 | WO1997022915A1 Pulse-width modulated circuit with improved linearity |
06/26/1997 | DE19548612A1 Analogue electronic switch for temporary coupling several terminals |
06/25/1997 | EP0780984A1 Output circuit and electronic device using the circuit |
06/25/1997 | EP0780982A1 Complementary clock system |
06/25/1997 | EP0780981A2 Evaluation circuit for a touch sensor |
06/25/1997 | EP0780980A2 Actuator comprising at least one optoelectronic key |
06/25/1997 | EP0780979A2 Actuator comprising at least one optoelectronic key |
06/25/1997 | EP0780978A2 Electrical switching device |
06/25/1997 | EP0780865A1 Touch sensitive device |
06/25/1997 | EP0780752A1 Improvements in or relating to control circuits |
06/25/1997 | EP0780036A1 Automatic power interrupting apparatus for an electric appliance |
06/24/1997 | US5642321 Voltage level detection circuit |
06/24/1997 | US5642273 Resonant snubber inverter |
06/24/1997 | US5642252 Insulated gate semiconductor device and driving circuit device and electronic system both using the same |
06/24/1997 | US5642109 For sensing an electrical signal upon receipt of an input force |
06/24/1997 | US5642083 High-frequency switch |
06/24/1997 | US5642065 Zero-voltage switching circuitry, as for use in resonant inverters |
06/24/1997 | US5642063 Current-saving detection for input signal level exceeding a threshold value |
06/24/1997 | US5642035 Transfection high-voltage controller |
06/24/1997 | US5642001 Overdrive circuit |
06/19/1997 | WO1997022181A1 Circuit configuration for driving a pulse output stage |
06/19/1997 | DE19546663A1 High power, high voltage converter |
06/18/1997 | EP0779712A1 Microcontroller for a household appliance |
06/18/1997 | EP0779711A2 A timer circuit |
06/18/1997 | EP0778954A1 Proximity switch with magnetic field-sensitive sensor |
06/18/1997 | CN1035222C Gate drive circuit for voltage-driven type power switching device |
06/17/1997 | US5640348 Non-volatile semiconductor memory |
06/17/1997 | US5640344 Programmable non-volatile bidirectional switch for programmable logic |
06/17/1997 | US5640300 Interrupter circuit with MCTS and pulse resonant commutation for rapidly switching off kilo-AMP AC load currents |
06/17/1997 | US5640293 High-current, high-voltage solid state switch |
06/17/1997 | US5640111 Pulse voltage doubler circuit |
06/17/1997 | US5639680 Method of making analog multiplexer cell for mixed digital and analog signal inputs |
06/17/1997 | CA2024634C Self-powered scr gate drive circuit with optical isolation |
06/12/1997 | WO1997021271A1 Fail-safe timer circuit and on-delay circuit using the same |
06/12/1997 | WO1997021241A2 Method of driving a field effect transistor |
06/12/1997 | WO1997021208A1 Multiplexer circuit |
06/12/1997 | WO1997015952A3 An integrated cmos circuit |
06/12/1997 | DE19639873A1 Integrated circuit for driving MOS gated power semiconductor devices |
06/12/1997 | DE19545864A1 Rescue vest, useful esp. in avalanches by skiers and climbers |
06/12/1997 | DE19545558A1 Verfahren zur Ansteuerung eines Feldeffekttransistors Method for driving a field effect transistor |
06/12/1997 | DE19538575A1 Inductive proximity sensor with high switching speed |
06/11/1997 | EP0778671A2 High-frequency switch |
06/11/1997 | EP0778670A1 Current switching circuit for an inductive load |
06/11/1997 | EP0777939A1 Aerial switch for wireless aerial diversity telecommunications devices with two aerials |
06/11/1997 | EP0777934A1 Proximity switch insensitive to interfering fields |
06/11/1997 | EP0777931A1 Phase controlled bridge |
06/11/1997 | EP0777879A1 Equivalent circuit for several functional units |
06/11/1997 | EP0695250B1 Circuit for triggering warning lamps |
06/11/1997 | EP0612292B1 Vehicle steering wheel |
06/11/1997 | CN2256195Y Human body inducting electronic ignition controller |
06/11/1997 | CN2256194Y Magnetic coding inductive range switch |
06/11/1997 | CN1151816A Thyristor power control circuit |
06/10/1997 | US5638330 Low dissipation initialization circuit, particularly for memory registers |
06/10/1997 | US5638246 Semiconductor device having a protection circuit, and electronic system including the same |
06/10/1997 | US5638060 System switch device |
06/10/1997 | US5638012 Write driver circuit |
06/10/1997 | US5638011 Digital to analog converter (DAC) current source arrangement |
06/10/1997 | US5637990 For controlling supply of electrical power to a load |
06/10/1997 | US5636729 Piezo switch |
06/05/1997 | WO1997020390A1 A bus driver circuit configured to partially discharge a bus conductor to decrease line to line coupling capacitance |
06/05/1997 | WO1997020389A1 Low voltage logic circuit |
06/05/1997 | DE19649881A1 Position converter for determining present position of moving object on track for acoustic piano |
06/05/1997 | DE19641840A1 Treiberschaltung für Hochleistungs-Halbleiterbauteile mit MOS-Gatesteuerung Driving circuit for high-power semiconductor components with a MOS gated |
06/05/1997 | DE19609078C1 Threshold logic circuit using neuron transistors |
06/04/1997 | EP0777327A1 Push button switch for household appliances |
06/04/1997 | EP0776498A1 Protected keyboard device |
06/04/1997 | EP0708939B1 Optimization circuit |
06/04/1997 | CN2255697Y AC. trigger electronic automatic controller |
06/04/1997 | CN2255696Y Driving circuit for simple high-efficiency isolation-type insulated gate high-power device |
06/04/1997 | CN1035090C Switching transistor circuit arrangement |
06/03/1997 | US5636114 Lossless snubber circuit for use in power converters |
06/03/1997 | US5636097 For protection against an increase in output current for integrated circuits |
06/03/1997 | US5635868 Power transistor current limiter |
06/03/1997 | US5635867 High performance drive structure for MOSFET power switches |
06/03/1997 | US5635853 Inherently balanced voltage regulation and current supply for bus termination |